[INFO] cloning repository https://github.com/szbergeron/libscroll-c-ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szbergeron/libscroll-c-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszbergeron%2Flibscroll-c-ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszbergeron%2Flibscroll-c-ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56a4fdb441d40b6ff8b76252caae7f9dcbf0e258
[INFO] checking szbergeron/libscroll-c-ffi against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszbergeron%2Flibscroll-c-ffi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szbergeron/libscroll-c-ffi on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/szbergeron/libscroll-c-ffi
[INFO] finished tweaking git repo https://github.com/szbergeron/libscroll-c-ffi
[INFO] tweaked toml for git repo https://github.com/szbergeron/libscroll-c-ffi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/szbergeron/libscroll-c-ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking szbergeron/libscroll-c-ffi against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszbergeron%2Flibscroll-c-ffi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szbergeron/libscroll-c-ffi on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/szbergeron/libscroll-c-ffi
[INFO] finished tweaking git repo https://github.com/szbergeron/libscroll-c-ffi
[INFO] tweaked toml for git repo https://github.com/szbergeron/libscroll-c-ffi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/szbergeron/libscroll-c-ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libscroll v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08532e5bb2ba187bf9a4ce6b2fe81e84c4c2bd867fec1145077c43cfcaba1b4e
[INFO] running `Command { std: "docker" "start" "-a" "08532e5bb2ba187bf9a4ce6b2fe81e84c4c2bd867fec1145077c43cfcaba1b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08532e5bb2ba187bf9a4ce6b2fe81e84c4c2bd867fec1145077c43cfcaba1b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08532e5bb2ba187bf9a4ce6b2fe81e84c4c2bd867fec1145077c43cfcaba1b4e", kill_on_drop: false }`
[INFO] [stdout] 08532e5bb2ba187bf9a4ce6b2fe81e84c4c2bd867fec1145077c43cfcaba1b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8afc98c417df0e8c78346ec16f5a3ddf44bff4f4226cbe08e5de16d3bf3a74
[INFO] running `Command { std: "docker" "start" "-a" "da8afc98c417df0e8c78346ec16f5a3ddf44bff4f4226cbe08e5de16d3bf3a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking libscroll v0.1.1
[INFO] [stderr]     Checking libscroll-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub unsafe extern fn alloc() -> *mut libscroll_scrollview {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub unsafe extern fn alloc() -> *mut libscroll_scrollview {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub unsafe extern fn dealloc(scrollview: *mut libscroll_scrollview) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub unsafe extern fn dealloc(scrollview: *mut libscroll_scrollview) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub unsafe extern fn set_geometry(
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub unsafe extern fn set_geometry(
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub unsafe extern fn libscroll_animating(scrollview: *const libc::c_void) -> bool {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub unsafe extern fn libscroll_step_frame(scrollview: *mut libscroll_scrollview) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub unsafe extern fn libscroll_animating(scrollview: *const libc::c_void) -> bool {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub unsafe extern fn libscroll_step_frame(scrollview: *mut libscroll_scrollview) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub unsafe extern fn libscroll_set_avg_frametime(scrollview: *mut libscroll_scrollview, milliseconds: f64) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub unsafe extern fn libscroll_set_next_frame_predict(scrollview: *mut libscroll_scrollview, milliseconds: f64) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub unsafe extern fn libscroll_set_avg_frametime(scrollview: *mut libscroll_scrollview, milliseconds: f64) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub unsafe extern fn libscroll_get_position_absolute_x(scrollview: *const libscroll_scrollview) -> f64 {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub unsafe extern fn libscroll_get_position_absolute_y(scrollview: *const libscroll_scrollview) -> f64 {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub unsafe extern fn libscroll_push_pan(scrollview: *mut libscroll_scrollview, axis: libscroll_axis, amount: f64) {
[INFO] [stdout]     |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub unsafe extern fn libscroll_set_overscroll_allowance(
[INFO] [stdout]     |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub unsafe extern fn libscroll_set_next_frame_predict(scrollview: *mut libscroll_scrollview, milliseconds: f64) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub unsafe extern fn libscroll_get_position_absolute_x(scrollview: *const libscroll_scrollview) -> f64 {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub unsafe extern fn libscroll_get_position_absolute_y(scrollview: *const libscroll_scrollview) -> f64 {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub unsafe extern fn libscroll_push_pan(scrollview: *mut libscroll_scrollview, axis: libscroll_axis, amount: f64) {
[INFO] [stdout]     |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub unsafe extern fn libscroll_set_overscroll_allowance(
[INFO] [stdout]     |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scrollview`
[INFO] [stdout]    --> src/lib.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let scrollview = scrollview as *mut libscroll::Scrollview;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scrollview`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_dp`
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     top_dp: f64,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scrollview`
[INFO] [stdout]    --> src/lib.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let scrollview = scrollview as *mut libscroll::Scrollview;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scrollview`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bottom_dp`
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     bottom_dp: f64,
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bottom_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_dp`
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     top_dp: f64,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_dp`
[INFO] [stdout]    --> src/lib.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     left_dp: f64,
[INFO] [stdout]     |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bottom_dp`
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     bottom_dp: f64,
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bottom_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_dp`
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     right_dp: f64,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_dp`
[INFO] [stdout]    --> src/lib.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     left_dp: f64,
[INFO] [stdout]     |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_dp`
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     right_dp: f64,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_dp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Box::from_raw(scrollview);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = Box::from_raw(scrollview);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Box::from_raw(scrollview);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = Box::from_raw(scrollview);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "da8afc98c417df0e8c78346ec16f5a3ddf44bff4f4226cbe08e5de16d3bf3a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8afc98c417df0e8c78346ec16f5a3ddf44bff4f4226cbe08e5de16d3bf3a74", kill_on_drop: false }`
[INFO] [stdout] da8afc98c417df0e8c78346ec16f5a3ddf44bff4f4226cbe08e5de16d3bf3a74